MCQ
The first reaction in photorespiraton is
- ACarboxylation
- BDecarboxylation
- ✓Oxygenation
- DPhosphorylation
(1) High $O_2$ concentration
(2) Low concentration of $CO_2$
(3) High light intensity.
During photorespiration oxygenation takes place firstly.
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$I.$ In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and chlorophyll - d
$II$. In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and chlorophyll b
$III$. In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla-a,d and phycoerythrin.